4321828420 has 216 divisors, whose sum is σ = 11781611352. Its totient is φ = 1319915520.

The previous prime is 4321828393. The next prime is 4321828453. The reversal of 4321828420 is 248281234.

It can be written as a sum of positive squares in 4 ways, for example, as 27123264 + 4294705156 = 5208^2 + 65534^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 12242964 + ... + 12243316.

It is an arithmetic number, because the mean of its divisors is an integer number (54544497).

Almost surely, 2^4321828420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4321828420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5890805676).

4321828420 is an abundant number, since it is smaller than the sum of its proper divisors (7459782932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4321828420 is a wasteful number, since it uses less digits than its factorization.

4321828420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451 (or 411 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 4321828420 is about 65740.6146913763. The cubic root of 4321828420 is about 1628.8803104857.

The spelling of 4321828420 in words is "four billion, three hundred twenty-one million, eight hundred twenty-eight thousand, four hundred twenty".